Compare Bank & Credit Union Rates
Best credit card rates, lowest APRs
Compare ongoing purchase APRs on credit cards from banks and credit unions, with annual fees, conditions and original sources.
Top credit card rates
Showing 1–9 of 9 in Longmont, CO · median 13.50% APR
- 9.99%APRas low as
Terms
Fixed APR.
Credit card score 82 · Carrot Score 73
Rate checked · Credit cards rates on its site
Rates and branches - Security Service Federal Credit UnionSecurity Service Power MasterCard® · No annual fee
Credit union · 1 branch
11.24%APRas low as · up to 18.00%11.24% APR, up to 18.00%
Terms
Purchase APR is variable based upon market prime rate. Maximum APR will not exceed 18%.
Credit card score 76 · Carrot Score 65
Rate checked · Credit cards rates on its site
Rates and branches - 12.65%APRas low as · up to 21.00%
12.65% APR, up to 21.00%
Terms
Lowest possible APR listed for qualified borrowers. Rate may change dependent upon credit qualifications. All rates are subject to change daily. Borrower must have approved credit and limitations may apply.
Credit card score 69 · Carrot Score 78
Rate checked · Credit cards rates on its site
Rates and branches - 13.25%APRas low as · up to 21.00%
13.25% APR, up to 21.00%
Terms
Standard APR will range from 13.25% to 21% based on creditworthiness after the first six months. This APR will vary with the market based on the Prime Rate plus a Margin.
Credit card score 66 · Carrot Score 92
Rate checked · Credit cards rates on its site
Rates and branches - 13.50%APRas low as · up to 22.50%
13.50% APR, up to 22.50%
Terms
Thereafter, variable APR ranges from 13.50% to 22.50% based on a margin and creditworthiness, varying with the market based on the Prime Rate published in The Wall Street Journal. Accurate as of 10/07/2026.
Credit card score 65 · Carrot Score 63
Rate checked · Credit cards rates on its site
Rates and branches - 17.74%APRas low as · up to 28.49%
17.74% APR, up to 28.49%
Terms
17.74%, 24.24% or 28.49% variable APR thereafter.
Credit card score 60 · Carrot Score 64
Rate checked · Credit cards rates on its site
Rates and branches - 18.49%APRas low as · up to 27.49%
18.49% APR, up to 27.49%
Terms
Variable purchase APR based on creditworthiness.
Credit card score 60 · Carrot Score 66
Rate checked · Credit cards rates on its site
Rates and branches - 18.49%APRas low as · up to 27.99%
18.49% APR, up to 27.99%
Terms
Variable APR
Credit card score 60 · Carrot Score 60
Rate checked · Credit cards rates on its site
Rates and branches - 20.74%APRas low as · up to 27.74%
20.74% APR, up to 27.74%
Terms
Variable APR for purchases based on creditworthiness and the Prime Rate.
Credit card score 60 · Carrot Score 60
Rate checked · Credit cards rates on its site
Rates and branches
Each institution’s lowest ongoing purchase APR on a regular card (not an introductory or balance transfer rate): usually its best-credit rate. A rate that needs another account or similar says “with conditions”; More filters can leave those, or cards with an annual fee, out. Secured, business and credit-builder cards are left out. Carrot Score rates each institution on all its CD, savings, auto loan and credit card rates. How we rank
What credit cards charge in Longmont, CO
9 banks and credit unions · checked Oct 7–22
- Typical
- 13.50%
- Top 10% up to
- 10.99%
- Banks, typical
- 18.12%
- Credit unions, typical
- 12.65%
How does your bank’s rate compare?
Find your bank or credit union to see all its rates and how they compare near you.
Boulder, CO metro
Top Carrot institutions
Ranked across their CDs, savings, auto loans and credit cards. How scores work
- Bellco Credit UnionCredit union · 1 branch
- UMB BankBank · 1 branch